<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		.div_1:before{
			content: url(img/IMG202.jpg) ;
			
			
		}
		a:hover:after{
			
			color: red;
		}
		</style>
		
	</head>
	<body>
		<div class="div_1">你好</div>
		<a href="#">网文</a>
	</body>
</html>
